5-3-6

Drawing a Graph

kEditing and Deleting Functions

u To edit a function in memory

Example To change the expression in memory area Y1 from y = 2x2 – 5 to

y= 2x2 – 3

e (Displays cursor.)

eeeeeDd(Changes contents.)

w(Stores new graph function.)

u To change the line style of a graph function

1.On the Graph relation list screen, use f and c to highlight the relation whose line style you want to change.

2.Press 4(STYL).

3.Select the line style.

Example

To change the line style of y = 2x2 – 3, which is stored in area Y1, to

 

“Broken”.

 

4(STYL)3( ) (Selects “Broken”.)

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